Thursday 3 February 2011
Here are the main stories coming up on tonight's programme:
There have been running street battles in central Cairo, with protesters pushing back President Hosni Mubarak's supporters. Stones were thrown on both sides, and there has been some gunfire.
The army, which was trying to separate the two sides, appears to have failed to control the crowds.
Tim Whewell is in the city and will bring us the latest on the situation this evening.
We hope to be hearing from Egyptian opposition leader Mohammed ElBaradei and will also be getting a US point of view from US Senator John McCain.
Our Science editor Susan Watts has an exclusive report on cyber warfare and what steps governments are taking to try to defend against it. You can read more about that here.